Sociodemographic and clinical characteristics of study participants
| All patients n (%) | Medical patients n (%) | Obstetrics–gynaecology patients n (%) | |
| Total population | 901 (100) | 587 (65.1) | 314 (34.9) |
| Gender | |||
| Female | 632 (70.1) | 318 (54.2) | 314 (100) |
| Male | 269 (29.9) | 269 (45.8) | 0 (0) |
| Age | |||
| Mean (±SD) | 41±16 | 45±18 | 34±10 |
| 20–39 | 513 (56.9) | 255 (43.4) | 258 (82.2) |
| 40–59 | 231 (25.6) | 191 (32.5) | 40 (12.7) |
| ≥60 | 157 (17.4) | 141 (24) | 16 (5.1) |
| BMI (kg/m2) (n=863) | |||
| <18 | 96 (11.1) | 85 (15.2) | 11 (3.7) |
| 18–25 | 694 (80.4) | 437 (77.8) | 257 (85.4) |
| 25.1–30 | 60 (7.0) | 31 (5.5) | 29 (9.6) |
| >30 | 13 (1.5) | 9 (1.6) | 4 (5.5) |
| Hospital | |||
| CHUK | 459 (50.9) | 308 (52.5) | 151 (48.1) |
| CHUB | 442 (49.1) | 279 (47.5) | 163 (51.9) |
| Clinical variables | |||
| Pregnancy (n=632) | 44 (7.0) | 0 (0) | 44 (14.0) |
| Postpartum period (n=632) | 185 (29.3) | 2 (0.6) | 183 (58.3) |
| OCP use (n=632) | 7 (1.1) | 5 (1.6) | 2 (0.6) |
| History of VTE | 5 (0.6) | 1 (0.2) | 4 (1.3) |
| Known malignancy* | 154 (17.1) | 118 (20.1) | 36 (11.5) |
| Acute infectious disease | 281 (31.2) | 196 (33.4) | 85 (27.1) |
| Receiving DVT prophylaxis | 57 (6.3) | 41 (7.0) | 16 (5.1) |
*Malignancy present or previous, on treatment or palliation up to 6 months previously.
BMI, body mass index; CHUB, Centre Hospitalier Universitaire de Butare; CHUK, Centre Hospitalier Universitaire de Kigali; OCP, oral contraceptive pill; VTE, venous thromboembolism.